package screens;

import log.Logger;
import net.rim.device.api.system.Bitmap;
import net.rim.device.api.system.Display;
import net.rim.device.api.ui.Color;
import net.rim.device.api.ui.Field;
import net.rim.device.api.ui.FieldChangeListener;
import net.rim.device.api.ui.component.BitmapField;
import net.rim.device.api.ui.component.LabelField;
import net.rim.device.api.ui.component.SeparatorField;
import net.rim.device.api.ui.container.VerticalFieldManager;
import net.rim.device.api.ui.decor.Background;
import net.rim.device.api.ui.decor.BackgroundFactory;
import strings.WebcampusResource;
import util.LookAndFeel;
import beans.Group;
import beans.GroupFile;
import customfields.FileField;
import customfields.FolderField;

public class GroupFilesScreen extends TransitionScreen implements WebcampusResource{

	// RESOURCES
	//private static ResourceBundle resources = ResourceBundle.getBundle(BUNDLE_ID, BUNDLE_NAME);

	private Group group;

	public GroupFilesScreen(Group g, int transitionType) {
		super(transitionType);

		Logger.log("creating group files screen");

		this.group=g;

		// Main vertical field manager
		VerticalFieldManager vfm = new VerticalFieldManager(Field.USE_ALL_HEIGHT);
		Bitmap background_bitmap = Bitmap.getBitmapResource(LookAndFeel.background_img);
		Bitmap background_bitmap_resized = new Bitmap(Display.getWidth(), background_bitmap.getHeight());
		background_bitmap.scaleInto(background_bitmap_resized, Bitmap.FILTER_LANCZOS | Bitmap.SCALE_TO_FILL);
		Background background = BackgroundFactory.createBitmapBackground(background_bitmap_resized);
		vfm.setBackground(background);

		// Header
		Bitmap header_img = Bitmap.getBitmapResource(LookAndFeel.header_img);
		Bitmap header_img_resized = new Bitmap(Display.getWidth(), (int) (Display.getHeight()*0.25));
		header_img.scaleInto(header_img_resized, Bitmap.FILTER_LANCZOS, Bitmap.SCALE_TO_FILL);
		BitmapField header = new BitmapField(header_img_resized,Field.FIELD_HCENTER);
		vfm.add(header);

		// Separator
		vfm.add(new SeparatorField());
		vfm.add(new LabelField(""));

		FolderField fofi = new FolderField(group.getName(), Field.FIELD_HCENTER);
		Background foba = BackgroundFactory.createSolidTransparentBackground(Color.WHITE, 150);
		fofi.setBackground(foba);
		vfm.add(fofi);
		
		for (int j=0; j<group.getFiles().size(); j++){
			GroupFile file = (GroupFile) group.getFiles().elementAt(j);
			FileField fifi = new FileField(file.getName(), Field.FIELD_HCENTER | Field.FOCUSABLE);
			Background fiba = BackgroundFactory.createSolidTransparentBackground(Color.WHITE, 100);
			fifi.setBackground(fiba);
			fifi.setCookie(file);
			fifi.setChangeListener(fileListener);
			vfm.add(fifi);
		}
		add(vfm);
	}

	private FieldChangeListener fileListener = new FieldChangeListener() {
		public void fieldChanged(Field field, int context) {
			Controller.getInstance().openGroupFileDownloadScreen((GroupFile) field.getCookie());
		}
	};
}
